If you want a model for what is possible, if you want to see how to build a peaceful and prosperous and dynamic society, then look at Berlin and look at Germany.

As I travel around the world, it's fascinating; European leaders, Asian leaders, they all say to me, America is actually poised to be the world leader for another century - if we can fix some of this political dysfunction. ... We've got a lot of national security challenges, but if we get our economy together, and if we can get our political system to work well, I am really confident about our future.

A lot of shelter dogs are mutts like me.

My main message is to the parents of Trayvon Martin. You know, if I had a son, he'd look like Trayvon.

I can document this past week [of presidency] we've put out memos from every agency showing what did we do. Try to be as honest as possible. There's a little hype involved obviously. It's spin because it's our agencies. We feel some pride about it. But tried to be self-critical as well.

Across the globe there are girls who will one day lead nations, if only we afford them the chance to choose their own destinies.

Unless we free ourselves from a dependence on these fossil fuels... we are condemning future generations to global catastrophe